gecko/testing/mochitest/tests/SimpleTest/EventUtils.js
Ted Mielczarek 17362ddaa6 bug 574357 - Plugin crash reports are submitted with Throttleable=0. r=dolske
--HG--
rename : modules/plugin/test/mochitest/test_crash_notify_no_report.xul => modules/plugin/test/mochitest/test_crash_submit.xul
2010-06-30 10:29:05 -04:00

824 lines
28 KiB
JavaScript

/**
* EventUtils provides some utility methods for creating and sending DOM events.
* Current methods:
* sendMouseEvent
* sendChar
* sendString
* sendKey
*/
/**
* Send a mouse event to the node aTarget (aTarget can be an id, or an
* actual node) . The "event" passed in to aEvent is just a JavaScript
* object with the properties set that the real mouse event object should
* have. This includes the type of the mouse event.
* E.g. to send an click event to the node with id 'node' you might do this:
*
* sendMouseEvent({type:'click'}, 'node');
*/
function sendMouseEvent(aEvent, aTarget, aWindow) {
if (['click', 'mousedown', 'mouseup', 'mouseover', 'mouseout'].indexOf(aEvent.type) == -1) {
throw new Error("sendMouseEvent doesn't know about event type '"+aEvent.type+"'");
}
if (!aWindow) {
aWindow = window;
}
if (!(aTarget instanceof Element)) {
aTarget = aWindow.document.getElementById(aTarget);
}
// For events to trigger the UA's default actions they need to be "trusted"
netscape.security.PrivilegeManager.enablePrivilege('UniversalBrowserWrite');
var event = aWindow.document.createEvent('MouseEvent');
var typeArg = aEvent.type;
var canBubbleArg = true;
var cancelableArg = true;
var viewArg = aWindow;
var detailArg = aEvent.detail || (aEvent.type == 'click' ||
aEvent.type == 'mousedown' ||
aEvent.type == 'mouseup' ? 1 : 0);
var screenXArg = aEvent.screenX || 0;
var screenYArg = aEvent.screenY || 0;
var clientXArg = aEvent.clientX || 0;
var clientYArg = aEvent.clientY || 0;
var ctrlKeyArg = aEvent.ctrlKey || false;
var altKeyArg = aEvent.altKey || false;
var shiftKeyArg = aEvent.shiftKey || false;
var metaKeyArg = aEvent.metaKey || false;
var buttonArg = aEvent.button || 0;
var relatedTargetArg = aEvent.relatedTarget || null;
event.initMouseEvent(typeArg, canBubbleArg, cancelableArg, viewArg, detailArg,
screenXArg, screenYArg, clientXArg, clientYArg,
ctrlKeyArg, altKeyArg, shiftKeyArg, metaKeyArg,
buttonArg, relatedTargetArg);
aTarget.dispatchEvent(event);
}
/**
* Send the char aChar to the node with id aTarget. If aTarget is not
* provided, use "target". This method handles casing of chars (sends the
* right charcode, and sends a shift key for uppercase chars). No other
* modifiers are handled at this point.
*
* For now this method only works for English letters (lower and upper case)
* and the digits 0-9.
*
* Returns true if the keypress event was accepted (no calls to preventDefault
* or anything like that), false otherwise.
*/
function sendChar(aChar, aTarget) {
// DOM event charcodes match ASCII (JS charcodes) for a-zA-Z0-9.
var hasShift = (aChar == aChar.toUpperCase());
var charCode = aChar.charCodeAt(0);
var keyCode = charCode;
if (!hasShift) {
// For lowercase letters, the keyCode is actually 32 less than the charCode
keyCode -= 0x20;
}
return __doEventDispatch(aTarget, charCode, keyCode, hasShift);
}
/**
* Send the string aStr to the node with id aTarget. If aTarget is not
* provided, use "target".
*
* For now this method only works for English letters (lower and upper case)
* and the digits 0-9.
*/
function sendString(aStr, aTarget) {
for (var i = 0; i < aStr.length; ++i) {
sendChar(aStr.charAt(i), aTarget);
}
}
/**
* Send the non-character key aKey to the node with id aTarget. If aTarget is
* not provided, use "target". The name of the key should be a lowercase
* version of the part that comes after "DOM_VK_" in the KeyEvent constant
* name for this key. No modifiers are handled at this point.
*
* Returns true if the keypress event was accepted (no calls to preventDefault
* or anything like that), false otherwise.
*/
function sendKey(aKey, aTarget) {
keyName = "DOM_VK_" + aKey.toUpperCase();
if (!KeyEvent[keyName]) {
throw "Unknown key: " + keyName;
}
return __doEventDispatch(aTarget, 0, KeyEvent[keyName], false);
}
/**
* Actually perform event dispatch given a charCode, keyCode, and boolean for
* whether "shift" was pressed. Send the event to the node with id aTarget. If
* aTarget is not provided, use "target".
*
* Returns true if the keypress event was accepted (no calls to preventDefault
* or anything like that), false otherwise.
*/
function __doEventDispatch(aTarget, aCharCode, aKeyCode, aHasShift) {
if (aTarget === undefined) {
aTarget = "target";
}
// Make our events trusted
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
var event = document.createEvent("KeyEvents");
event.initKeyEvent("keydown", true, true, document.defaultView,
false, false, aHasShift, false,
aKeyCode, 0);
var accepted = $(aTarget).dispatchEvent(event);
// Preventing the default keydown action also prevents the default
// keypress action.
event = document.createEvent("KeyEvents");
if (aCharCode) {
event.initKeyEvent("keypress", true, true, document.defaultView,
false, false, aHasShift, false,
0, aCharCode);
} else {
event.initKeyEvent("keypress", true, true, document.defaultView,
false, false, aHasShift, false,
aKeyCode, 0);
}
if (!accepted) {
event.preventDefault();
}
accepted = $(aTarget).dispatchEvent(event);
// Always send keyup
var event = document.createEvent("KeyEvents");
event.initKeyEvent("keyup", true, true, document.defaultView,
false, false, aHasShift, false,
aKeyCode, 0);
$(aTarget).dispatchEvent(event);
return accepted;
}
/**
* Parse the key modifier flags from aEvent. Used to share code between
* synthesizeMouse and synthesizeKey.
*/
function _parseModifiers(aEvent)
{
const masks = Components.interfaces.nsIDOMNSEvent;
var mval = 0;
if (aEvent.shiftKey)
mval |= masks.SHIFT_MASK;
if (aEvent.ctrlKey)
mval |= masks.CONTROL_MASK;
if (aEvent.altKey)
mval |= masks.ALT_MASK;
if (aEvent.metaKey)
mval |= masks.META_MASK;
if (aEvent.accelKey)
mval |= (navigator.platform.indexOf("Mac") >= 0) ? masks.META_MASK :
masks.CONTROL_MASK;
return mval;
}
/**
* Synthesize a mouse event on a target. The actual client point is determined
* by taking the aTarget's client box and offseting it by aOffsetX and
* aOffsetY. This allows mouse clicks to be simulated by calling this method.
*
* aEvent is an object which may contain the properties:
* shiftKey, ctrlKey, altKey, metaKey, accessKey, clickCount, button, type
*
* If the type is specified, an mouse event of that type is fired. Otherwise,
* a mousedown followed by a mouse up is performed.
*
* aWindow is optional, and defaults to the current window object.
*/
function synthesizeMouse(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
if (!aWindow)
aWindow = window;
var utils = aWindow.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
getInterface(Components.interfaces.nsIDOMWindowUtils);
if (utils) {
var button = aEvent.button || 0;
var clickCount = aEvent.clickCount || 1;
var modifiers = _parseModifiers(aEvent);
var rect = aTarget.getBoundingClientRect();
var left = rect.left + aOffsetX;
var top = rect.top + aOffsetY;
if (aEvent.type) {
utils.sendMouseEvent(aEvent.type, left, top, button, clickCount, modifiers);
}
else {
utils.sendMouseEvent("mousedown", left, top, button, clickCount, modifiers);
utils.sendMouseEvent("mouseup", left, top, button, clickCount, modifiers);
}
}
}
/**
* Synthesize a mouse scroll event on a target. The actual client point is determined
* by taking the aTarget's client box and offseting it by aOffsetX and
* aOffsetY.
*
* aEvent is an object which may contain the properties:
* shiftKey, ctrlKey, altKey, metaKey, accessKey, button, type, axis, delta, hasPixels
*
* If the type is specified, a mouse scroll event of that type is fired. Otherwise,
* "DOMMouseScroll" is used.
*
* If the axis is specified, it must be one of "horizontal" or "vertical". If not specified,
* "vertical" is used.
*
* 'delta' is the amount to scroll by (can be positive or negative). It must
* be specified.
*
* 'hasPixels' specifies whether kHasPixels should be set in the scrollFlags.
*
* aWindow is optional, and defaults to the current window object.
*/
function synthesizeMouseScroll(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
if (!aWindow)
aWindow = window;
var utils = aWindow.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
getInterface(Components.interfaces.nsIDOMWindowUtils);
if (utils) {
// See nsMouseScrollFlags in nsGUIEvent.h
const kIsVertical = 0x02;
const kIsHorizontal = 0x04;
const kHasPixels = 0x08;
var button = aEvent.button || 0;
var modifiers = _parseModifiers(aEvent);
var rect = aTarget.getBoundingClientRect();
var left = rect.left;
var top = rect.top;
var type = aEvent.type || "DOMMouseScroll";
var axis = aEvent.axis || "vertical";
var scrollFlags = (axis == "horizontal") ? kIsHorizontal : kIsVertical;
if (aEvent.hasPixels) {
scrollFlags |= kHasPixels;
}
utils.sendMouseScrollEvent(type, left + aOffsetX, top + aOffsetY, button,
scrollFlags, aEvent.delta, modifiers);
}
}
/**
* Synthesize a key event. It is targeted at whatever would be targeted by an
* actual keypress by the user, typically the focused element.
*
* aKey should be either a character or a keycode starting with VK_ such as
* VK_ENTER.
*
* aEvent is an object which may contain the properties:
* shiftKey, ctrlKey, altKey, metaKey, accessKey, type
*
* If the type is specified, a key event of that type is fired. Otherwise,
* a keydown, a keypress and then a keyup event are fired in sequence.
*
* aWindow is optional, and defaults to the current window object.
*/
function synthesizeKey(aKey, aEvent, aWindow)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
if (!aWindow)
aWindow = window;
var utils = aWindow.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
getInterface(Components.interfaces.nsIDOMWindowUtils);
if (utils) {
var keyCode = 0, charCode = 0;
if (aKey.indexOf("VK_") == 0)
keyCode = KeyEvent["DOM_" + aKey];
else
charCode = aKey.charCodeAt(0);
var modifiers = _parseModifiers(aEvent);
if (aEvent.type) {
utils.sendKeyEvent(aEvent.type, keyCode, charCode, modifiers);
}
else {
var keyDownDefaultHappened =
utils.sendKeyEvent("keydown", keyCode, charCode, modifiers);
utils.sendKeyEvent("keypress", keyCode, charCode, modifiers,
!keyDownDefaultHappened);
utils.sendKeyEvent("keyup", keyCode, charCode, modifiers);
}
}
}
var _gSeenEvent = false;
/**
* Indicate that an event with an original target of aExpectedTarget and
* a type of aExpectedEvent is expected to be fired, or not expected to
* be fired.
*/
function _expectEvent(aExpectedTarget, aExpectedEvent, aTestName)
{
if (!aExpectedTarget || !aExpectedEvent)
return null;
_gSeenEvent = false;
var type = (aExpectedEvent.charAt(0) == "!") ?
aExpectedEvent.substring(1) : aExpectedEvent;
var eventHandler = function(event) {
var epassed = (!_gSeenEvent && event.originalTarget == aExpectedTarget &&
event.type == type);
is(epassed, true, aTestName + " " + type + " event target " + (_gSeenEvent ? "twice" : ""));
_gSeenEvent = true;
};
aExpectedTarget.addEventListener(type, eventHandler, false);
return eventHandler;
}
/**
* Check if the event was fired or not. The event handler aEventHandler
* will be removed.
*/
function _checkExpectedEvent(aExpectedTarget, aExpectedEvent, aEventHandler, aTestName)
{
if (aEventHandler) {
var expectEvent = (aExpectedEvent.charAt(0) != "!");
var type = expectEvent ? aExpectedEvent : aExpectedEvent.substring(1);
aExpectedTarget.removeEventListener(type, aEventHandler, false);
var desc = type + " event";
if (!expectEvent)
desc += " not";
is(_gSeenEvent, expectEvent, aTestName + " " + desc + " fired");
}
_gSeenEvent = false;
}
/**
* Similar to synthesizeMouse except that a test is performed to see if an
* event is fired at the right target as a result.
*
* aExpectedTarget - the expected originalTarget of the event.
* aExpectedEvent - the expected type of the event, such as 'select'.
* aTestName - the test name when outputing results
*
* To test that an event is not fired, use an expected type preceded by an
* exclamation mark, such as '!select'. This might be used to test that a
* click on a disabled element doesn't fire certain events for instance.
*
* aWindow is optional, and defaults to the current window object.
*/
function synthesizeMouseExpectEvent(aTarget, aOffsetX, aOffsetY, aEvent,
aExpectedTarget, aExpectedEvent, aTestName,
aWindow)
{
var eventHandler = _expectEvent(aExpectedTarget, aExpectedEvent, aTestName);
synthesizeMouse(aTarget, aOffsetX, aOffsetY, aEvent, aWindow);
_checkExpectedEvent(aExpectedTarget, aExpectedEvent, eventHandler, aTestName);
}
/**
* Similar to synthesizeKey except that a test is performed to see if an
* event is fired at the right target as a result.
*
* aExpectedTarget - the expected originalTarget of the event.
* aExpectedEvent - the expected type of the event, such as 'select'.
* aTestName - the test name when outputing results
*
* To test that an event is not fired, use an expected type preceded by an
* exclamation mark, such as '!select'.
*
* aWindow is optional, and defaults to the current window object.
*/
function synthesizeKeyExpectEvent(key, aEvent, aExpectedTarget, aExpectedEvent,
aTestName, aWindow)
{
var eventHandler = _expectEvent(aExpectedTarget, aExpectedEvent, aTestName);
synthesizeKey(key, aEvent, aWindow);
_checkExpectedEvent(aExpectedTarget, aExpectedEvent, eventHandler, aTestName);
}
/**
* Emulate a dragstart event.
* element - element to fire the dragstart event on
* expectedDragData - the data you expect the data transfer to contain afterwards
* This data is in the format:
* [ [ {type: value, data: value, test: function}, ... ], ... ]
* can be null
* aWindow - optional; defaults to the current window object.
* x - optional; initial x coordinate
* y - optional; initial y coordinate
* Returns null if data matches.
* Returns the event.dataTransfer if data does not match
*
* eqTest is an optional function if comparison can't be done with x == y;
* function (actualData, expectedData) {return boolean}
* @param actualData from dataTransfer
* @param expectedData from expectedDragData
* see bug 462172 for example of use
*
*/
function synthesizeDragStart(element, expectedDragData, aWindow, x, y)
{
if (!aWindow)
aWindow = window;
x = x || 2;
y = y || 2;
const step = 9;
var result = "trapDrag was not called";
var trapDrag = function(event) {
try {
var dataTransfer = event.dataTransfer;
result = null;
if (!dataTransfer)
throw "no dataTransfer";
if (expectedDragData == null ||
dataTransfer.mozItemCount != expectedDragData.length)
throw dataTransfer;
for (var i = 0; i < dataTransfer.mozItemCount; i++) {
var dtTypes = dataTransfer.mozTypesAt(i);
if (dtTypes.length != expectedDragData[i].length)
throw dataTransfer;
for (var j = 0; j < dtTypes.length; j++) {
if (dtTypes[j] != expectedDragData[i][j].type)
throw dataTransfer;
var dtData = dataTransfer.mozGetDataAt(dtTypes[j],i);
if (expectedDragData[i][j].eqTest) {
if (!expectedDragData[i][j].eqTest(dtData, expectedDragData[i][j].data))
throw dataTransfer;
}
else if (expectedDragData[i][j].data != dtData)
throw dataTransfer;
}
}
} catch(ex) {
result = ex;
}
event.preventDefault();
event.stopPropagation();
}
aWindow.addEventListener("dragstart", trapDrag, false);
synthesizeMouse(element, x, y, { type: "mousedown" }, aWindow);
x += step; y += step;
synthesizeMouse(element, x, y, { type: "mousemove" }, aWindow);
x += step; y += step;
synthesizeMouse(element, x, y, { type: "mousemove" }, aWindow);
aWindow.removeEventListener("dragstart", trapDrag, false);
synthesizeMouse(element, x, y, { type: "mouseup" }, aWindow);
return result;
}
/**
* Emulate a drop by emulating a dragstart and firing events dragenter, dragover, and drop.
* srcElement - the element to use to start the drag, usually the same as destElement
* but if destElement isn't suitable to start a drag on pass a suitable
* element for srcElement
* destElement - the element to fire the dragover, dragleave and drop events
* dragData - the data to supply for the data transfer
* This data is in the format:
* [ [ {type: value, data: value}, ...], ... ]
* dropEffect - the drop effect to set during the dragstart event, or 'move' if null
* aWindow - optional; defaults to the current window object.
*
* Returns the drop effect that was desired.
*/
function synthesizeDrop(srcElement, destElement, dragData, dropEffect, aWindow)
{
if (!aWindow)
aWindow = window;
var dataTransfer;
var trapDrag = function(event) {
dataTransfer = event.dataTransfer;
for (var i = 0; i < dragData.length; i++) {
var item = dragData[i];
for (var j = 0; j < item.length; j++) {
dataTransfer.mozSetDataAt(item[j].type, item[j].data, i);
}
}
dataTransfer.dropEffect = dropEffect || "move";
event.preventDefault();
event.stopPropagation();
}
// need to use real mouse action
aWindow.addEventListener("dragstart", trapDrag, true);
synthesizeMouse(srcElement, 2, 2, { type: "mousedown" }, aWindow);
synthesizeMouse(srcElement, 11, 11, { type: "mousemove" }, aWindow);
synthesizeMouse(srcElement, 20, 20, { type: "mousemove" }, aWindow);
aWindow.removeEventListener("dragstart", trapDrag, true);
event = aWindow.document.createEvent("DragEvents");
event.initDragEvent("dragenter", true, true, aWindow, 0, 0, 0, 0, 0, false, false, false, false, 0, null, dataTransfer);
destElement.dispatchEvent(event);
var event = aWindow.document.createEvent("DragEvents");
event.initDragEvent("dragover", true, true, aWindow, 0, 0, 0, 0, 0, false, false, false, false, 0, null, dataTransfer);
if (destElement.dispatchEvent(event)) {
synthesizeMouse(destElement, 20, 20, { type: "mouseup" }, aWindow);
return "none";
}
if (dataTransfer.dropEffect != "none") {
event = aWindow.document.createEvent("DragEvents");
event.initDragEvent("drop", true, true, aWindow, 0, 0, 0, 0, 0, false, false, false, false, 0, null, dataTransfer);
destElement.dispatchEvent(event);
}
synthesizeMouse(destElement, 20, 20, { type: "mouseup" }, aWindow);
return dataTransfer.dropEffect;
}
function disableNonTestMouseEvents(aDisable)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var utils =
window.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
getInterface(Components.interfaces.nsIDOMWindowUtils);
if (utils)
utils.disableNonTestMouseEvents(aDisable);
}
function _getDOMWindowUtils(aWindow)
{
if (!aWindow) {
aWindow = window;
}
return aWindow.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
getInterface(Components.interfaces.nsIDOMWindowUtils);
}
/**
* Synthesize a composition event.
*
* @param aIsCompositionStart If true, this synthesize compositionstart event.
* Otherwise, compositionend event.
* @param aWindow Optional (If null, current |window| will be used)
*/
function synthesizeComposition(aIsCompositionStart, aWindow)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return;
}
utils.sendCompositionEvent(aIsCompositionStart ?
"compositionstart" : "compositionend");
}
/**
* Synthesize a text event.
*
* @param aEvent The text event's information, this has |composition|
* and |caret| members. |composition| has |string| and
* |clauses| members. |clauses| must be array object. Each
* object has |length| and |attr|. And |caret| has |start| and
* |length|. See the following tree image.
*
* aEvent
* +-- composition
* | +-- string
* | +-- clauses[]
* | +-- length
* | +-- attr
* +-- caret
* +-- start
* +-- length
*
* Set the composition string to |composition.string|. Set its
* clauses information to the |clauses| array.
*
* When it's composing, set the each clauses' length to the
* |composition.clauses[n].length|. The sum of the all length
* values must be same as the length of |composition.string|.
* Set nsIDOMWindowUtils.COMPOSITION_ATTR_* to the
* |composition.clauses[n].attr|.
*
* When it's not composing, set 0 to the
* |composition.clauses[0].length| and
* |composition.clauses[0].attr|.
*
* Set caret position to the |caret.start|. It's offset from
* the start of the composition string. Set caret length to
* |caret.length|. If it's larger than 0, it should be wide
* caret. However, current nsEditor doesn't support wide
* caret, therefore, you should always set 0 now.
*
* @param aWindow Optional (If null, current |window| will be used)
*/
function synthesizeText(aEvent, aWindow)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return;
}
if (!aEvent.composition || !aEvent.composition.clauses ||
!aEvent.composition.clauses[0]) {
return;
}
var firstClauseLength = aEvent.composition.clauses[0].length;
var firstClauseAttr = aEvent.composition.clauses[0].attr;
var secondClauseLength = 0;
var secondClauseAttr = 0;
var thirdClauseLength = 0;
var thirdClauseAttr = 0;
if (aEvent.composition.clauses[1]) {
secondClauseLength = aEvent.composition.clauses[1].length;
secondClauseAttr = aEvent.composition.clauses[1].attr;
if (aEvent.composition.clauses[2]) {
thirdClauseLength = aEvent.composition.clauses[2].length;
thirdClauseAttr = aEvent.composition.clauses[2].attr;
}
}
var caretStart = -1;
var caretLength = 0;
if (aEvent.caret) {
caretStart = aEvent.caret.start;
caretLength = aEvent.caret.length;
}
utils.sendTextEvent(aEvent.composition.string,
firstClauseLength, firstClauseAttr,
secondClauseLength, secondClauseAttr,
thirdClauseLength, thirdClauseAttr,
caretStart, caretLength);
}
/**
* Synthesize a query selected text event.
*
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeQuerySelectedText(aWindow)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return nsnull;
}
return utils.sendQueryContentEvent(utils.QUERY_SELECTED_TEXT, 0, 0, 0, 0);
}
/**
* Synthesize a query text content event.
*
* @param aOffset The character offset. 0 means the first character in the
* selection root.
* @param aLength The length of getting text. If the length is too long,
* the extra length is ignored.
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeQueryTextContent(aOffset, aLength, aWindow)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return nsnull;
}
return utils.sendQueryContentEvent(utils.QUERY_TEXT_CONTENT,
aOffset, aLength, 0, 0);
}
/**
* Synthesize a query caret rect event.
*
* @param aOffset The caret offset. 0 means left side of the first character
* in the selection root.
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeQueryCaretRect(aOffset, aWindow)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return nsnull;
}
return utils.sendQueryContentEvent(utils.QUERY_CARET_RECT,
aOffset, 0, 0, 0);
}
/**
* Synthesize a query text rect event.
*
* @param aOffset The character offset. 0 means the first character in the
* selection root.
* @param aLength The length of the text. If the length is too long,
* the extra length is ignored.
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeQueryTextRect(aOffset, aLength, aWindow)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return nsnull;
}
return utils.sendQueryContentEvent(utils.QUERY_TEXT_RECT,
aOffset, aLength, 0, 0);
}
/**
* Synthesize a query editor rect event.
*
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeQueryEditorRect(aWindow)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return nsnull;
}
return utils.sendQueryContentEvent(utils.QUERY_EDITOR_RECT, 0, 0, 0, 0);
}
/**
* Synthesize a character at point event.
*
* @param aX, aY The offset in the client area of the DOM window.
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeCharAtPoint(aX, aY, aWindow)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return nsnull;
}
return utils.sendQueryContentEvent(utils.QUERY_CHARACTER_AT_POINT,
0, 0, aX, aY);
}
/**
* Synthesize a selection set event.
*
* @param aOffset The character offset. 0 means the first character in the
* selection root.
* @param aLength The length of the text. If the length is too long,
* the extra length is ignored.
* @param aReverse If true, the selection is from |aOffset + aLength| to
* |aOffset|. Otherwise, from |aOffset| to |aOffset + aLength|.
* @param aWindow Optional (If null, current |window| will be used)
* @return True, if succeeded. Otherwise false.
*/
function synthesizeSelectionSet(aOffset, aLength, aReverse, aWindow)
{
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return false;
}
return utils.sendSelectionSetEvent(aOffset, aLength, aReverse);
}